At Boeing's Everett, Washington factory, the two are also built side-by-side. Everett isn't Boeing's only factory. The 737 is built nearby in Renton, Washington while the 787-10 is produced exclusively in North Charleston, South Carolina.

But, Everett remains Boeing's most famous and storied production facility. According to Boeing, its Everett facility is large enough to encompass "all of Disneyland with 12 acres left over for parking."